JP2005519146A - Photocurable resin composition for optical waveguide and optical waveguide produced therefrom - Google Patents
Photocurable resin composition for optical waveguide and optical waveguide produced therefrom Download PDFInfo
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- JP2005519146A JP2005519146A JP2003571327A JP2003571327A JP2005519146A JP 2005519146 A JP2005519146 A JP 2005519146A JP 2003571327 A JP2003571327 A JP 2003571327A JP 2003571327 A JP2003571327 A JP 2003571327A JP 2005519146 A JP2005519146 A JP 2005519146A
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- JP
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- Prior art keywords
- acrylate
- meth
- diisocyanate
- resin composition
- photocurable resin
- Prior art date
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- Pending
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- 239000011342 resin composition Substances 0.000 title claims abstract description 55
- 230000003287 optical effect Effects 0.000 title claims abstract description 43
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate group Chemical group C(C=C)(=O)[O-] NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 98
- 238000004519 manufacturing process Methods 0.000 claims abstract description 24
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000178 monomer Substances 0.000 claims abstract description 17
- 125000003700 epoxy group Chemical group 0.000 claims abstract description 11
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 8
- 125000003118 aryl group Chemical group 0.000 claims abstract description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 8
- MYWUZJCMWCOHBA-VIFPVBQESA-N methamphetamine Chemical compound CN[C@@H](C)CC1=CC=CC=C1 MYWUZJCMWCOHBA-VIFPVBQESA-N 0.000 claims abstract description 4
- -1 4-bromo-6-methyl-1,3-phenylene diisocyanate 4-chloro-6-methyl-1,3-phenylene diisocyanate Chemical compound 0.000 claims description 48
- 239000000203 mixture Substances 0.000 claims description 30
- 239000010410 layer Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 20
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 16
- 239000012792 core layer Substances 0.000 claims description 14
- 229920005862 polyol Polymers 0.000 claims description 14
- 150000003077 polyols Chemical class 0.000 claims description 14
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 12
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 claims description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 claims description 9
- 125000005442 diisocyanate group Chemical group 0.000 claims description 9
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 8
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 claims description 8
- 239000010702 perfluoropolyether Substances 0.000 claims description 8
- 229920001223 polyethylene glycol Polymers 0.000 claims description 8
- 239000007809 chemical reaction catalyst Substances 0.000 claims description 7
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 7
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 6
- 239000003505 polymerization initiator Substances 0.000 claims description 6
- 125000005628 tolylene group Chemical group 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 claims description 4
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 4
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 4
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 claims description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 4
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 4
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 claims description 4
- 239000003999 initiator Substances 0.000 claims description 4
- 229920001610 polycaprolactone Polymers 0.000 claims description 4
- 239000004632 polycaprolactone Substances 0.000 claims description 4
- 229920000570 polyether Polymers 0.000 claims description 4
- 229920001451 polypropylene glycol Polymers 0.000 claims description 4
- 238000005979 thermal decomposition reaction Methods 0.000 claims description 4
- MPIAGWXWVAHQBB-UHFFFAOYSA-N [3-prop-2-enoyloxy-2-[[3-prop-2-enoyloxy-2,2-bis(prop-2-enoyloxymethyl)propoxy]methyl]-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(COC(=O)C=C)(COC(=O)C=C)COCC(COC(=O)C=C)(COC(=O)C=C)COC(=O)C=C MPIAGWXWVAHQBB-UHFFFAOYSA-N 0.000 claims description 3
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical group CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000000016 photochemical curing Methods 0.000 claims description 3
- DTGKSKDOIYIVQL-WEDXCCLWSA-N (+)-borneol Chemical group C1C[C@@]2(C)[C@@H](O)C[C@@H]1C2(C)C DTGKSKDOIYIVQL-WEDXCCLWSA-N 0.000 claims description 2
- DSZTYVZOIUIIGA-UHFFFAOYSA-N 1,2-Epoxyhexadecane Chemical compound CCCCCCCCCCCCCCC1CO1 DSZTYVZOIUIIGA-UHFFFAOYSA-N 0.000 claims description 2
- 229940058015 1,3-butylene glycol Drugs 0.000 claims description 2
- 125000001140 1,4-phenylene group Chemical group [H]C1=C([H])C([*:2])=C([H])C([H])=C1[*:1] 0.000 claims description 2
- SBJCUZQNHOLYMD-UHFFFAOYSA-N 1,5-Naphthalene diisocyanate Chemical compound C1=CC=C2C(N=C=O)=CC=CC2=C1N=C=O SBJCUZQNHOLYMD-UHFFFAOYSA-N 0.000 claims description 2
- UWFRVQVNYNPBEF-UHFFFAOYSA-N 1-(2,4-dimethylphenyl)propan-1-one Chemical compound CCC(=O)C1=CC=C(C)C=C1C UWFRVQVNYNPBEF-UHFFFAOYSA-N 0.000 claims description 2
- ICLCCFKUSALICQ-UHFFFAOYSA-N 1-isocyanato-4-(4-isocyanato-3-methylphenyl)-2-methylbenzene Chemical compound C1=C(N=C=O)C(C)=CC(C=2C=C(C)C(N=C=O)=CC=2)=C1 ICLCCFKUSALICQ-UHFFFAOYSA-N 0.000 claims description 2
- QTKPMCIBUROOGY-UHFFFAOYSA-N 2,2,2-trifluoroethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC(F)(F)F QTKPMCIBUROOGY-UHFFFAOYSA-N 0.000 claims description 2
- DFVPUWGVOPDJTC-UHFFFAOYSA-N 2,2,3,4,4,4-hexafluorobutyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC(F)(F)C(F)C(F)(F)F DFVPUWGVOPDJTC-UHFFFAOYSA-N 0.000 claims description 2
- HDPLHDGYGLENEI-UHFFFAOYSA-N 2-[1-(oxiran-2-ylmethoxy)propan-2-yloxymethyl]oxirane Chemical compound C1OC1COC(C)COCC1CO1 HDPLHDGYGLENEI-UHFFFAOYSA-N 0.000 claims description 2
- FVCHRIQAIOHAIC-UHFFFAOYSA-N 2-[1-[1-[1-(oxiran-2-ylmethoxy)propan-2-yloxy]propan-2-yloxy]propan-2-yloxymethyl]oxirane Chemical compound C1OC1COC(C)COC(C)COC(C)COCC1CO1 FVCHRIQAIOHAIC-UHFFFAOYSA-N 0.000 claims description 2
- YIJYFLXQHDOQGW-UHFFFAOYSA-N 2-[2,4,6-trioxo-3,5-bis(2-prop-2-enoyloxyethyl)-1,3,5-triazinan-1-yl]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCN1C(=O)N(CCOC(=O)C=C)C(=O)N(CCOC(=O)C=C)C1=O YIJYFLXQHDOQGW-UHFFFAOYSA-N 0.000 claims description 2
- OADIZUFHUPTFAG-UHFFFAOYSA-N 2-[2-(2-ethylhexoxy)ethoxy]ethanol Chemical compound CCCCC(CC)COCCOCCO OADIZUFHUPTFAG-UHFFFAOYSA-N 0.000 claims description 2
- LCZVSXRMYJUNFX-UHFFFAOYSA-N 2-[2-(2-hydroxypropoxy)propoxy]propan-1-ol Chemical compound CC(O)COC(C)COC(C)CO LCZVSXRMYJUNFX-UHFFFAOYSA-N 0.000 claims description 2
- XXHDHAPOSIFMIG-UHFFFAOYSA-N 2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]-1-phenoxyethanol Chemical compound OCCOCCOCCOCC(O)OC1=CC=CC=C1 XXHDHAPOSIFMIG-UHFFFAOYSA-N 0.000 claims description 2
- SEFYJVFBMNOLBK-UHFFFAOYSA-N 2-[2-[2-(oxiran-2-ylmethoxy)ethoxy]ethoxymethyl]oxirane Chemical compound C1OC1COCCOCCOCC1CO1 SEFYJVFBMNOLBK-UHFFFAOYSA-N 0.000 claims description 2
- PRJQBLZFLQSJOM-UHFFFAOYSA-N 2-[[1,3-dibromo-2,2-dimethyl-3-(oxiran-2-ylmethoxy)propoxy]methyl]oxirane Chemical compound C(C1CO1)OC(C(C)(C(OCC1CO1)Br)C)Br PRJQBLZFLQSJOM-UHFFFAOYSA-N 0.000 claims description 2
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 claims description 2
- GLQNPYLKSCFVPO-UHFFFAOYSA-N 2-o-(2-hydroxypropyl) 1-o-[2-(2-methylprop-2-enoyloxy)ethyl] benzene-1,2-dicarboxylate Chemical compound CC(O)COC(=O)C1=CC=CC=C1C(=O)OCCOC(=O)C(C)=C GLQNPYLKSCFVPO-UHFFFAOYSA-N 0.000 claims description 2
- MECNWXGGNCJFQJ-UHFFFAOYSA-N 3-piperidin-1-ylpropane-1,2-diol Chemical compound OCC(O)CN1CCCCC1 MECNWXGGNCJFQJ-UHFFFAOYSA-N 0.000 claims description 2
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 2
- NHJIDZUQMHKGRE-UHFFFAOYSA-N 7-oxabicyclo[4.1.0]heptan-4-yl 2-(7-oxabicyclo[4.1.0]heptan-4-yl)acetate Chemical compound C1CC2OC2CC1OC(=O)CC1CC2OC2CC1 NHJIDZUQMHKGRE-UHFFFAOYSA-N 0.000 claims description 2
- LCFVJGUPQDGYKZ-UHFFFAOYSA-N Bisphenol A diglycidyl ether Chemical class C=1C=C(OCC2OC2)C=CC=1C(C)(C)C(C=C1)=CC=C1OCC1CO1 LCFVJGUPQDGYKZ-UHFFFAOYSA-N 0.000 claims description 2
- CTKINSOISVBQLD-UHFFFAOYSA-N Glycidol Chemical compound OCC1CO1 CTKINSOISVBQLD-UHFFFAOYSA-N 0.000 claims description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims description 2
- 229920000562 Poly(ethylene adipate) Polymers 0.000 claims description 2
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- 239000007983 Tris buffer Substances 0.000 claims description 2
- ORLQHILJRHBSAY-UHFFFAOYSA-N [1-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1(CO)CCCCC1 ORLQHILJRHBSAY-UHFFFAOYSA-N 0.000 claims description 2
- HVVWZTWDBSEWIH-UHFFFAOYSA-N [2-(hydroxymethyl)-3-prop-2-enoyloxy-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(CO)(COC(=O)C=C)COC(=O)C=C HVVWZTWDBSEWIH-UHFFFAOYSA-N 0.000 claims description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical class C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 2
- 235000019437 butane-1,3-diol Nutrition 0.000 claims description 2
- 125000004386 diacrylate group Chemical group 0.000 claims description 2
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 235000011187 glycerol Nutrition 0.000 claims description 2
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 claims description 2
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 claims description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 2
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 claims description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 2
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 claims description 2
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 claims 2
- PJAKWOZHTFWTNF-UHFFFAOYSA-N (2-nonylphenyl) prop-2-enoate Chemical class CCCCCCCCCC1=CC=CC=C1OC(=O)C=C PJAKWOZHTFWTNF-UHFFFAOYSA-N 0.000 claims 1
- DTZHXCBUWSTOPO-UHFFFAOYSA-N 1-isocyanato-4-[(4-isocyanato-3-methylphenyl)methyl]-2-methylbenzene Chemical compound C1=C(N=C=O)C(C)=CC(CC=2C=C(C)C(N=C=O)=CC=2)=C1 DTZHXCBUWSTOPO-UHFFFAOYSA-N 0.000 claims 1
- RSVZYSKAPMBSMY-UHFFFAOYSA-N 2,2,3,3-tetrafluoropropyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC(F)(F)C(F)F RSVZYSKAPMBSMY-UHFFFAOYSA-N 0.000 claims 1
- FZIIBDOXPQOKBP-UHFFFAOYSA-N 2-methyloxetane Chemical compound CC1CCO1 FZIIBDOXPQOKBP-UHFFFAOYSA-N 0.000 claims 1
- JMLMNVALRXIRBJ-UHFFFAOYSA-N C(C=C)(=O)O.C(C=C)(=O)O.C(C=C)(=O)O.C1CO1 Chemical compound C(C=C)(=O)O.C(C=C)(=O)O.C(C=C)(=O)O.C1CO1 JMLMNVALRXIRBJ-UHFFFAOYSA-N 0.000 claims 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims 1
- IIGAAOXXRKTFAM-UHFFFAOYSA-N N=C=O.N=C=O.CC1=C(C)C(C)=C(C)C(C)=C1C Chemical compound N=C=O.N=C=O.CC1=C(C)C(C)=C(C)C(C)=C1C IIGAAOXXRKTFAM-UHFFFAOYSA-N 0.000 claims 1
- IDSLNGDJQFVDPQ-UHFFFAOYSA-N bis(7-oxabicyclo[4.1.0]heptan-4-yl) hexanedioate Chemical compound C1CC2OC2CC1OC(=O)CCCCC(=O)OC1CC2OC2CC1 IDSLNGDJQFVDPQ-UHFFFAOYSA-N 0.000 claims 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 claims 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 description 11
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 10
- 239000004926 polymethyl methacrylate Substances 0.000 description 10
- 239000011347 resin Substances 0.000 description 10
- 229920005989 resin Polymers 0.000 description 10
- 239000010408 film Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 9
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- 238000002834 transmittance Methods 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000001723 curing Methods 0.000 description 5
- 239000004793 Polystyrene Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 239000004205 dimethyl polysiloxane Substances 0.000 description 4
- 230000009477 glass transition Effects 0.000 description 4
- 238000002329 infrared spectrum Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000003963 antioxidant agent Substances 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
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- 238000010438 heat treatment Methods 0.000 description 3
- 238000001053 micromoulding Methods 0.000 description 3
- NWVVVBRKAWDGAB-UHFFFAOYSA-N p-methoxyphenol Chemical compound COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
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- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- FKXJWELJXMKBDI-UHFFFAOYSA-K [butyl-di(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(OC(=O)CCCCCCCCCCC)OC(=O)CCCCCCCCCCC FKXJWELJXMKBDI-UHFFFAOYSA-K 0.000 description 2
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- 125000001153 fluoro group Chemical group F* 0.000 description 2
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- UNMJLQGKEDTEKJ-UHFFFAOYSA-N (3-ethyloxetan-3-yl)methanol Chemical compound CCC1(CO)COC1 UNMJLQGKEDTEKJ-UHFFFAOYSA-N 0.000 description 1
- XJVHGKZBKJPGIJ-UHFFFAOYSA-N 1-bromo-2,4-diisocyanato-5-methylbenzene Chemical compound CC1=CC(Br)=C(N=C=O)C=C1N=C=O XJVHGKZBKJPGIJ-UHFFFAOYSA-N 0.000 description 1
- AULVDVFFHZBVDO-UHFFFAOYSA-N 1-chloro-2,4-diisocyanato-5-methylbenzene Chemical compound CC1=CC(Cl)=C(N=C=O)C=C1N=C=O AULVDVFFHZBVDO-UHFFFAOYSA-N 0.000 description 1
- BTFWJAUZPQUVNZ-UHFFFAOYSA-N 1-methyl-3-[(3-methylphenyl)methyl]benzene Chemical compound CC1=CC=CC(CC=2C=C(C)C=CC=2)=C1 BTFWJAUZPQUVNZ-UHFFFAOYSA-N 0.000 description 1
- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 description 1
- VFBJXXJYHWLXRM-UHFFFAOYSA-N 2-[2-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]ethylsulfanyl]ethyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCCSCCOC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 VFBJXXJYHWLXRM-UHFFFAOYSA-N 0.000 description 1
- WTYYGFLRBWMFRY-UHFFFAOYSA-N 2-[6-(oxiran-2-ylmethoxy)hexoxymethyl]oxirane Chemical compound C1OC1COCCCCCCOCC1CO1 WTYYGFLRBWMFRY-UHFFFAOYSA-N 0.000 description 1
- KUAUJXBLDYVELT-UHFFFAOYSA-N 2-[[2,2-dimethyl-3-(oxiran-2-ylmethoxy)propoxy]methyl]oxirane Chemical compound C1OC1COCC(C)(C)COCC1CO1 KUAUJXBLDYVELT-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical group [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- WNLRTRBMVRJNCN-UHFFFAOYSA-L adipate(2-) Chemical compound [O-]C(=O)CCCCC([O-])=O WNLRTRBMVRJNCN-UHFFFAOYSA-L 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000460 chlorine Chemical group 0.000 description 1
- 229910052801 chlorine Chemical group 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229940120693 copper naphthenate Drugs 0.000 description 1
- SEVNKWFHTNVOLD-UHFFFAOYSA-L copper;3-(4-ethylcyclohexyl)propanoate;3-(3-ethylcyclopentyl)propanoate Chemical compound [Cu+2].CCC1CCC(CCC([O-])=O)C1.CCC1CCC(CCC([O-])=O)CC1 SEVNKWFHTNVOLD-UHFFFAOYSA-L 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 229910052805 deuterium Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 229920000847 nonoxynol Polymers 0.000 description 1
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical class CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 229950000688 phenothiazine Drugs 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920000412 polyarylene Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000011417 postcuring Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- WSFQLUVWDKCYSW-UHFFFAOYSA-M sodium;2-hydroxy-3-morpholin-4-ylpropane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(O)CN1CCOCC1 WSFQLUVWDKCYSW-UHFFFAOYSA-M 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
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Abstract
【課題】光導波路の製造に有用な光硬化性樹脂組成物の提供。
【解決手段】下記式(I)のフッ素化された光硬化性ウレタンオリゴマー、反応性モノマーおよび光開始剤を含む、光導波路の製造に使用するための光硬化性樹脂組成物。
【化1】
(式中、
R1は、−CH2O−または−CH2(OCH2CH2)mO−;
R2は、炭素数6〜100の芳香族または脂肪族炭化水素基;
R3は、炭素数2〜10の芳香族または脂肪族炭化水素基;
R4は、メタ(アクリレート)基またはエポキシ基である)。A photocurable resin composition useful for the production of an optical waveguide is provided.
A photocurable resin composition for use in the production of an optical waveguide, comprising a fluorinated photocurable urethane oligomer of the following formula (I), a reactive monomer and a photoinitiator.
[Chemical 1]
(Where
R 1 represents —CH 2 O— or —CH 2 (OCH 2 CH 2 ) m O—;
R 2 represents an aromatic or aliphatic hydrocarbon group having 6 to 100 carbon atoms;
R 3 represents an aromatic or aliphatic hydrocarbon group having 2 to 10 carbon atoms;
R 4 is a meth (acrylate) group or an epoxy group).
Description
本発明は、熱安定性および光透過度が改善された光硬化性樹脂組成物、およびマイクロモールディング技法によって前記樹脂組成物から製造された光導波路に関する。 The present invention relates to a photocurable resin composition having improved thermal stability and light transmittance, and an optical waveguide produced from the resin composition by a micromolding technique.
情報通信分野において、光導波路の開発は巨大容量の情報通信を可能にする重要な課題として認識されている。光導波路のような光通信部品を製造するための材料として、通常ガラスまたはその他の結晶性無機材料が使用されてきた。しかし、これらの材料は高価であり、加工が難しいという短所がある。 In the information and communication field, the development of optical waveguides is recognized as an important issue that enables information communication with huge capacity. Glass or other crystalline inorganic materials have typically been used as materials for producing optical communication components such as optical waveguides. However, these materials are expensive and difficult to process.
最近、PMMA(ポリメチルメタクリレート)およびPS(ポリスチレン)のような高分子素材は、ガラスまたはその他の結晶性無機材料に比べて安価であり、加工が容易であるため、より一般的に用いられている。このような高分子素材を用いる場合、通常の材料を用いた場合よりも光帯域幅が広く、柔軟性が高い薄膜型光導波路を提供できる。また、前記高分子素材に官能性化合物または官能基を混入することによって光導波路が得られる。 Recently, polymer materials such as PMMA (polymethylmethacrylate) and PS (polystyrene) are more commonly used because they are cheaper and easier to process than glass or other crystalline inorganic materials. Yes. When such a polymer material is used, it is possible to provide a thin film type optical waveguide having a wider optical bandwidth and higher flexibility than when a normal material is used. Moreover, an optical waveguide can be obtained by mixing a functional compound or a functional group into the polymer material.
しかし、PMMAおよびPSは、近赤外線領域、すなわち、1.0〜1.8μmの波長帯において分子中のC−H結合が光を吸収するので、重水素化またはフッ素化されたPMMA(すなわち、水素原子が重水素またはフッ素原子で置換されたPMMA)が開発された。このような重水素化またはフッ素化されたPMMAの吸光帯域は近赤外線領域から遠赤外線領域に移動する。 However, PMMA and PS have deuterated or fluorinated PMMA (i.e., C-H bonds in the molecule absorb light in the near infrared region, i.e., the wavelength band of 1.0 to 1.8 [mu] m). PMMA in which hydrogen atoms are replaced by deuterium or fluorine atoms has been developed. The absorption band of such deuterated or fluorinated PMMA moves from the near infrared region to the far infrared region.
前述の光導波路のコアを構成するPMMA、PSおよび重水素化またはフッ素化されたPMMAはガラス転移温度が低い。たとえば、PMMAおよび重水素化されたPMMAのいずれもガラス転移温度が約100℃であり、これらは熱処理によって容易に軟化し得るため熱安定性が低い(非特許文献1参照)。 PMMA, PS and deuterated or fluorinated PMMA constituting the core of the optical waveguide have a low glass transition temperature. For example, each of PMMA and deuterated PMMA has a glass transition temperature of about 100 ° C., and since these can be easily softened by heat treatment, thermal stability is low (see Non-Patent Document 1).
低い熱安定性の問題を解決するために、日本電気電話株式会社(NTT Co., Ltd)は、特定の過フッ素化されたポリイミド重合体を開発した。これらの重合体は大きい複屈折率によって偏光独立が難しく、比較的大きい吸収性による光損失が生じるという問題がある(非特許文献2参照)。 In order to solve the problem of low thermal stability, NTT Co., Ltd has developed a specific perfluorinated polyimide polymer. These polymers have a problem that polarization independence is difficult due to a large birefringence, and light loss due to relatively large absorption occurs (see Non-Patent Document 2).
アライドシグナル社(Allied Signal Co., Ltd.)は、アクリレートの光架橋(photo-cross linking)特性を用いて、最大限高い、たとえば、350℃の熱分解温度(Td)を有する、熱安定性の高いUV−硬化性フッ素化されたアクリレート(UV-curable fluorinated acrylate)を開発した。前記UV−硬化性フッ素化されたアクリレートは1.3〜1.6の範囲で屈折率を連続的に調節でき、複屈性(Δn)が0.0008と低く、1.3μmおよび1.55μm波長における光損失がそれぞれ0.03dB/cmおよび0.05dB/cmと低い。 Allied Signal Co., Ltd. uses the photo-cross linking properties of acrylates to have a thermally stable, maximum thermal decomposition temperature (T d ) of, for example, 350 ° C. A highly UV-curable fluorinated acrylate has been developed. The UV-curable fluorinated acrylate can continuously adjust the refractive index in the range of 1.3 to 1.6, the birefringence (Δn) is as low as 0.0008, 1.3 μm and 1.55 μm. The optical loss at the wavelength is as low as 0.03 dB / cm and 0.05 dB / cm, respectively.
さらに、水素原子がフッ素および塩素で置換されたポリイミドが開発されたが、これは複屈折が非常に大きい(非特許文献3参照)。また、熱硬化技術によって製造された、熱硬化性のフッ素化されたポリアリーレンエーテルは熱安定性の面で優れるが、生産性が低い(非特許文献4参照)。 Furthermore, a polyimide in which hydrogen atoms are substituted with fluorine and chlorine has been developed, but this has a very large birefringence (see Non-Patent Document 3). In addition, thermosetting fluorinated polyarylene ethers produced by thermosetting technology are excellent in terms of thermal stability, but have low productivity (see Non-Patent Document 4).
したがって、近赤外線領域における光損失が少なく、複屈折率が低く、低い屈折率を有する伝統的な光ファイバと同等な光導波路用光硬化性樹脂組成物が依然として要求されている。 Accordingly, there is still a need for a photocurable resin composition for optical waveguides that is equivalent to a traditional optical fiber that has low optical loss in the near infrared region, low birefringence, and low refractive index.
伝統的に、導波路は導波路の形態と一致するマスクセットをコーティングされたコア層基板に塗布し、フォトリソグラフィー法によって基板をエッチングしてパターンを形成し、マスクを取り外した後、導波路材料層を付着することを含む工程によって製造されてきた。しかし、このような通常の方法は、製造に多くの時間がかかり、エッチング工程が難しく、多重モード導波路の場合、単一モード導波路とは異なり、コア物質を40μm以上の深さにエッチングしなければならないという問題がある。 Traditionally, waveguides are applied to a coated core layer substrate with a mask set that matches the shape of the waveguide, the substrate is etched by photolithography to form a pattern, the mask is removed, and the waveguide material It has been manufactured by a process that includes depositing a layer. However, such a conventional method takes a lot of time to manufacture and the etching process is difficult. In the case of a multimode waveguide, the core material is etched to a depth of 40 μm or more unlike a single mode waveguide. There is a problem of having to.
したがって、本発明者らは、前記で提示した必要条件を満足する新規な光硬化性組成物およびマイクロモールディング方法を用いて前記光硬化性樹脂組成物から製造された光導波路を開発することによって本発明を完成するに至った。
したがって、本発明の目的は、光損失および複屈折率が低く、熱安定性を有する、光導波路の製造に使用するための光硬化性樹脂組成物を提供することである。 Accordingly, an object of the present invention is to provide a photocurable resin composition for use in the production of an optical waveguide, which has low optical loss and birefringence and has thermal stability.
本発明の他の目的は、マイクロモールディング法を用いて前記光硬化性樹脂から製造された光導波路を提供することである。 Another object of the present invention is to provide an optical waveguide manufactured from the photocurable resin using a micromolding method.
本発明の一実施態様によって、本発明では、下記式(I)のフッ素化された光硬化性ウレタンオリゴマー、反応性モノマーおよび光開始剤を含む、光導波路の製造に使用するための光硬化性樹脂組成物が提供される。
(式中、
R1は、−CH2O−または−CH2(OCH2CH2)mO−;
R2は、炭素数6〜100の芳香族または脂肪族炭化水素基;
R3は、炭素数2〜10の芳香族または脂肪族炭化水素基;
R4は、メタ(アクリレート)基またはエポキシ基である)。
(Where
R 1 represents —CH 2 O— or —CH 2 (OCH 2 CH 2 ) m O—;
R 2 represents an aromatic or aliphatic hydrocarbon group having 6 to 100 carbon atoms;
R 3 represents an aromatic or aliphatic hydrocarbon group having 2 to 10 carbon atoms;
R 4 is a meth (acrylate) group or an epoxy group).
本発明によれば、通常のエッチング工程なしでUV照射のみで容易に光導波路を製造できる。 According to the present invention, an optical waveguide can be easily manufactured by only UV irradiation without a normal etching process.
以下、本発明をさらに詳細に説明する。 Hereinafter, the present invention will be described in more detail.
本発明は、下記式(I)のフッ素化された光硬化性ウレタンオリゴマー、反応性モノマーおよび光開始剤を含む、光導波路の製造に使用するための光硬化性樹脂組成物を提供する。
(式中、
R1は、−CH2O−または−CH2(OCH2CH2)mO−;
R2は、炭素数6〜100の芳香族または脂肪族炭化水素基;
R3は、炭素数2〜10の芳香族または脂肪族炭化水素基;
R4は、メタ(アクリレート)基またはエポキシ基である)。
(Where
R 1 represents —CH 2 O— or —CH 2 (OCH 2 CH 2 ) m O—;
R 2 represents an aromatic or aliphatic hydrocarbon group having 6 to 100 carbon atoms;
R 3 represents an aromatic or aliphatic hydrocarbon group having 2 to 10 carbon atoms;
R 4 is a meth (acrylate) group or an epoxy group).
(A)フッ素化された光硬化性ウレタンオリゴマー
本発明の組成物として用いられるフッ素化された光硬化性ウレタンオリゴマー(A)は、(a)ポリオール、(b)ジイソシアネート、(c)ヒドロキシ(メタ)アクリレートまたはヒドロキシエポキシ、(d)ウレタン反応触媒および(e)重合開始剤を用いて製造される。
(A) Fluorinated photocurable urethane oligomer (A) used as the composition of the present invention comprises (a) polyol, (b) diisocyanate, (c) hydroxy (meta ) Acrylate or hydroxy epoxy, (d) urethane reaction catalyst, and (e) polymerization initiator.
(a)ポリオール
前記フッ素化された光硬化性ウレタンオリゴマー(A)の製造に用いられるポリオールは分子量が500〜10,000であり、好ましくは、フッ素化されたパーフルオロポリエーテルポリオール(perfluoropolyether polyol)またはパーフルオロポリエーテル鎖の末端に非フッ素化ポリエーテル基を有するパーフルオロポリエーテルポリオールが含まれる。前記ポリオールはオリゴマー組成物の総量を基準として20〜80重量%の含量で用いられる。
(A) Polyol The polyol used for the production of the fluorinated photocurable urethane oligomer (A) has a molecular weight of 500 to 10,000, preferably a fluorinated perfluoropolyether polyol. Alternatively, a perfluoropolyether polyol having a non-fluorinated polyether group at the end of the perfluoropolyether chain is included. The polyol is used in a content of 20 to 80% by weight based on the total amount of the oligomer composition.
(b)ジイソシアネート
前記フッ素化された光硬化性ウレタンオリゴマー(A)の製造に用いられるジイソシアネートは、イソホロンジイソシアネート(IPDI)、1,6−ヘキサンジイソシアネート(HDI)、1,8−オクタメチレンジイソシアネート、テトラメチルキシレンジイソシアネート(TMXDI)、4,4’ −ジシクロヘキシルメタンジイソシアネート(HMDI)、4,4’−ジフェニルメタンジイソシアネート、3,3’−ジメチル−4,4’−ビフェニレンジイソシアネート、3,3’−ジメチルジフェニルメタン−4,4’−ジイソシアネート、4−ブロモ−6−メチル−1,3−フェニレンジイソシアネート、4−クロロ−6−メチル−1,3−フェニレンジイソシアネート、2,4−ジイソシアネートで末端化されたポリ(1,4−ブタンジオール)トリレン、ジイソシアネートで末端化されたポリ(1,4−ブタンジオール)イソホロン、2,4−ジイソシアネートで末端化されたポリ(エチレンアジペート)トリレン、ポリ[1,4−フェニレンジイソシアネート−コ−ポリ(1,4−ブタノール)]ジイソシアネート、ポリヘキサメチレンジイソシアネート、2,4−ジイソシアネートで末端化されたポリ(プロピレングリコール)トリレン、ポリ(テトラフルオロエチレンオキシド−コ−ジフルオロメチレンオキシド)α,ω−ジイソシアネート、2,4−トルエンジイソシアネート、2,5−トルエンジイソシアネート、2,6−トルエンジイソシアネート、1,5−ナフタレンジイソシアネートおよびこれらの混合物からなる群から選ばれることが好ましい。
(B) Diisocyanate The diisocyanate used in the production of the fluorinated photocurable urethane oligomer (A) is isophorone diisocyanate (IPDI), 1,6-hexane diisocyanate (HDI), 1,8-octamethylene diisocyanate, tetra Methyl xylene diisocyanate (TMXDI), 4,4′-dicyclohexylmethane diisocyanate (HMDI), 4,4′-diphenylmethane diisocyanate, 3,3′-dimethyl-4,4′-biphenylene diisocyanate, 3,3′-dimethyldiphenylmethane Terminated with 4,4'-diisocyanate, 4-bromo-6-methyl-1,3-phenylene diisocyanate, 4-chloro-6-methyl-1,3-phenylene diisocyanate, 2,4-diisocyanate Poly (1,4-butanediol) tolylene, poly (1,4-butanediol) isophorone terminated with diisocyanate, poly (ethylene adipate) tolylene terminated with 2,4-diisocyanate, poly [1,4 -Phenylene diisocyanate-co-poly (1,4-butanol)] diisocyanate, polyhexamethylene diisocyanate, poly (propylene glycol) tolylene terminated with 2,4-diisocyanate, poly (tetrafluoroethylene oxide-co-difluoromethylene oxide) ) Α, ω-diisocyanate, 2,4-toluene diisocyanate, 2,5-toluene diisocyanate, 2,6-toluene diisocyanate, 1,5-naphthalene diisocyanate and mixtures thereof. It is preferred.
前記ジイソシアネートは、オリゴマー組成物の総量を基準として10〜50重量%の含量で用いられる。 The diisocyanate is used in a content of 10 to 50% by weight based on the total amount of the oligomer composition.
(c)ヒドロキシ(メタ)アクリレートまたはヒドロキシエポキシ
前記フッ素化された光硬化性ウレタンオリゴマー(A)の製造に用いられるヒドロキシ(メタ)アクリレートまたはヒドロキシエポキシは、少なくとも一つの(メタ)アクリロイル基および一つのヒドロキシ基を有する化合物(c1)、または少なくとも一つのエポキシ基および一つのヒドロキシ基を有する化合物(c2)である。
(C) Hydroxy (meth) acrylate or hydroxyepoxy The hydroxy (meth) acrylate or hydroxyepoxy used in the production of the fluorinated photocurable urethane oligomer (A) comprises at least one (meth) acryloyl group and one The compound (c 1 ) having a hydroxy group, or the compound (c 2 ) having at least one epoxy group and one hydroxy group.
化合物(c1)の代表的な例としては、2−ヒドロキシエチル(メタ)アクリレート、2−ヒドロキシプロピル(メタ)アクリレート、2−ヒドロキシブチル(メタ)アクリレート、1−ヒドロキシブチル(メタ)アクリレート、2−ヒドロキシ−3−フェニルオキシプロピル(メタ)アクリレート、ネオペンチルグリコールモノ(メタ)アクリレート、4−ヒドロキシシクロヘキシル(メタ)アクリレート、1,6−ヘキサンジオールモノ(メタ)アクリレート、ペンタエリスリトールペンタ(メタ)アクリレート、ジペンタエリスリトールペンタ(メタ)アクリレート、2−メタクリロキシエチル2−ヒドロキシプロピルフタレート、グリセリンジ(メタ)アクリレート、2−ヒドロキシ−3−アクリロイルオキシプロピル(メタ)アクリレート、ポリカプロラクトンポリオールモノ(メタ)アクリレートおよびこれらの混合物である。 Representative examples of the compound (c 1 ) include 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate, 1-hydroxybutyl (meth) acrylate, 2 -Hydroxy-3-phenyloxypropyl (meth) acrylate, neopentyl glycol mono (meth) acrylate, 4-hydroxycyclohexyl (meth) acrylate, 1,6-hexanediol mono (meth) acrylate, pentaerythritol penta (meth) acrylate , Dipentaerythritol penta (meth) acrylate, 2-methacryloxyethyl 2-hydroxypropyl phthalate, glycerin di (meth) acrylate, 2-hydroxy-3-acryloyloxypropyl (meth) acrylate Rate, a polycaprolactone polyol mono (meth) acrylate and mixtures thereof.
化合物(c2)の代表的な例としては、グリシドールおよびエポキシ化されたテトラヒドロベンジルアルコールがある。 Representative examples of compound (c 2 ) include glycidol and epoxidized tetrahydrobenzyl alcohol.
前記ヒドロキシ(メタ)アクリレートまたはヒドロキシエポキシはオリゴマー組成物の総量を基準として5〜50重量%の含量で用いられる。 The hydroxy (meth) acrylate or hydroxy epoxy is used in a content of 5 to 50% by weight based on the total amount of the oligomer composition.
(d)ウレタン反応触媒
ウレタン反応触媒は反応過程においてオリゴマー組成物の総量を基準として0.01〜1重量%の含量で添加される。
(D) Urethane reaction catalyst The urethane reaction catalyst is added in a content of 0.01 to 1% by weight based on the total amount of the oligomer composition in the reaction process.
ウレタン反応触媒の代表的な例としては、ナフテン酸銅、ナフテン酸コバルト、ナフテン酸亜鉛、n−ブチルチンラウレート、トリスチラミン、2−メチルトリエチレンジアミドおよびこれらの混合物が含まれる。 Representative examples of urethane reaction catalysts include copper naphthenate, cobalt naphthenate, zinc naphthenate, n-butyltin laurate, tristyramine, 2-methyltriethylenediamide and mixtures thereof.
(e)重合開始剤
重合開始剤は、オリゴマー組成物の総量を基準として0.01〜1重量%の含量で用いられる。
(E) Polymerization initiator The polymerization initiator is used in a content of 0.01 to 1% by weight based on the total amount of the oligomer composition.
重合開始剤の代表的な例としては、ヒドロキノン、ヒドロキノンモノメチルエーテル、パラ−ベンゾキノン、フェノチアジンおよびこれらの混合物を挙げることができる。 Typical examples of the polymerization initiator include hydroquinone, hydroquinone monomethyl ether, para-benzoquinone, phenothiazine, and a mixture thereof.
前記光硬化性オリゴマー(A)は通常の方法で製造でき、具体的な製造例は次の通りである。 The photocurable oligomer (A) can be produced by a usual method, and specific production examples are as follows.
フラスコにフッ素化されたパーフルオロポリエーテルポリオールまたはパーフルオロポリエーテル鎖の末端に非フッ素化ポリエーテル基を有するポリオールを入れ、減圧下で水分を除去する。イソシアネートおよびウレタン反応触媒を反応混合物に加えながら200〜300rpmで攪拌する。反応は65〜85℃の温度で−OHピークがIRスペクトル上で観察されなくなるまで約2〜3時間行う。この際、反応を終結するために引き続いて触媒をさらに加えてもよい。次に、重合開始剤およびヒドロキシ(メタ)アクリレートまたはヒドロキシエポキシ化合物を反応混合物に加え、生成した混合物を70〜90℃の温度で加熱し、これに適当量の触媒を加えた後、−NCOピークがIRスペクトル上で消滅するまで反応させることによって、本発明のフッ素化された光硬化性ウレタン組成物を得る。 A fluorinated perfluoropolyether polyol or a polyol having a non-fluorinated polyether group at the end of the perfluoropolyether chain is placed in a flask, and moisture is removed under reduced pressure. Stir at 200-300 rpm while adding isocyanate and urethane reaction catalyst to the reaction mixture. The reaction is run at a temperature of 65-85 ° C. for about 2-3 hours until no —OH peak is observed on the IR spectrum. At this time, a catalyst may be further added to terminate the reaction. Next, a polymerization initiator and a hydroxy (meth) acrylate or hydroxyepoxy compound are added to the reaction mixture, and the resulting mixture is heated at a temperature of 70 to 90 ° C., and an appropriate amount of catalyst is added thereto, followed by —NCO peak. Is allowed to react on the IR spectrum until the fluorinated photocurable urethane composition of the present invention is obtained.
平均分子量が2,000〜50,000のフッ素化された光硬化性ウレタンオリゴマー(A)は、従来のウレタンオリゴマーに比べて屈折率が低く、1.1〜1.8μmの波長領域における光透過性に優れている。 The fluorinated photocurable urethane oligomer (A) having an average molecular weight of 2,000 to 50,000 has a lower refractive index than conventional urethane oligomers and transmits light in the wavelength region of 1.1 to 1.8 μm. Excellent in properties.
フッ素化された光硬化性ウレタンオリゴマー(A)は、本発明の光硬化性組成物の総量を基準として20〜80重量%の含量で用いられる。 The fluorinated photocurable urethane oligomer (A) is used in a content of 20 to 80% by weight based on the total amount of the photocurable composition of the present invention.
(B)光反応性モノマー
本発明の組成物に用いられる光反応性モノマーは、少なくとも一つの(メタ)アクリロイル基を有する(メタ)アクリレート(B1)または少なくとも一つのエポキシ基を有する光反応性モノマー(B2)であってもよい。
(B) Photoreactive monomer The photoreactive monomer used in the composition of the present invention is a photoreactive monomer having (meth) acrylate (B 1 ) having at least one (meth) acryloyl group or at least one epoxy group. it may be a monomer (B 2).
光反応性モノマーは(メタ)アクリロイルまたはエポキシ官能基の数によって、多官能性モノマー、2官能性モノマー、3官能性モノマーなどに区分される。 The photoreactive monomer is classified into a polyfunctional monomer, a bifunctional monomer, a trifunctional monomer, and the like according to the number of (meth) acryloyl or epoxy functional groups.
少なくとも一つの(メタ)アクリロイル基を有する(メタ)アクリレート(B1)はフッ素化されたか、または非フッ素化(メタ)アクリレートであってもよい。 The (meth) acrylate (B 1 ) having at least one (meth) acryloyl group may be fluorinated or non-fluorinated (meth) acrylate.
単官能性フッ素化された(メタ)アクリレートとしては、2−パーフルオロオクチルエチルアクリレート、2−パーフルオロオクチルエチルメタクリレート、2,2,3,4,4,4−ヘキサフルオロブチルメタクリレート、2,2,3,3−テトラフルオロプロピルメタクリレート、トリフルオロエチルメタクリレート、2−パーフルオロアルキルエチルアクリレートおよび2−パーフルオロアルキルエチルメタクリレートが含まれる。 Monofunctional fluorinated (meth) acrylates include 2-perfluorooctylethyl acrylate, 2-perfluorooctylethyl methacrylate, 2,2,3,4,4,4-hexafluorobutyl methacrylate, 2,2 3,3-tetrafluoropropyl methacrylate, trifluoroethyl methacrylate, 2-perfluoroalkylethyl acrylate and 2-perfluoroalkylethyl methacrylate.
単官能性非フッ素化(メタ)アクリレートの代表的な例としては、2−ヒドロキシエチル(メタ)アクリレート、2−ヒドロキシプロピル(メタ)アクリレート、2−ヒドロキシブチル(メタ)アクリレート、1−ヒドロキシブチル(メタ)アクリレート、2−ヒドロキシ−3−フェニルオキシプロピル(メタ)アクリレート、テトラヒドロフルフリル(メタ)アクリレート、イソデシル(メタ)アクリレート、2−(2−エトキシエトキシ)エチル(メタ)アクリレート、ステアリル(メタ)アクリレート、ラウリル(メタ)アクリレート、2−フェノキシエチル(メタ)アクリレート、イソボルニル(メタ)アクリレート、トリデシル(メタ)アクリレート、ポリカプロラクトン(メタ)アクリレート、フェノキシテトラエチレングリコール(メタ)アクリレートおよびイミドアクリレートがある。 Representative examples of monofunctional non-fluorinated (meth) acrylates include 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate, 1-hydroxybutyl ( (Meth) acrylate, 2-hydroxy-3-phenyloxypropyl (meth) acrylate, tetrahydrofurfuryl (meth) acrylate, isodecyl (meth) acrylate, 2- (2-ethoxyethoxy) ethyl (meth) acrylate, stearyl (meth) Acrylate, lauryl (meth) acrylate, 2-phenoxyethyl (meth) acrylate, isobornyl (meth) acrylate, tridecyl (meth) acrylate, polycaprolactone (meth) acrylate, phenoxytetraethyleneglycol There is Le (meth) acrylate and imide acrylates.
本発明に用いられる2官能性非フッ素化(メタ)アクリレートの例としては、エトキシル化されたノニルフェノール(メタ)アクリレート、エチレングリコールジ(メタ)アクリレート、ジエチレングリコールジ(メタ)アクリレート、トリエチレングリコールジ(メタ)アクリレート、テトラエチレングリコールジ(メタ)アクリレート、ポリエチレングリコールジ(メタ)アクリレート、1,6−ヘキサンジオールジ(メタ)アクリレート、1,3−ブチレングリコールジ(メタ)アクリレート、トリプロピレングリコールジ(メタ)アクリレート、エトキシ化ビスフェノールAジ(メタ)アクリレート、シクロヘキサンジメタノールジ(メタ)アクリレートおよびトリシクロ[5.2.1.02,6]デカンジメタノールジアクリレートがある。 Examples of bifunctional non-fluorinated (meth) acrylates used in the present invention include ethoxylated nonylphenol (meth) acrylate, ethylene glycol di (meth) acrylate, diethylene glycol di (meth) acrylate, triethylene glycol di ( (Meth) acrylate, tetraethylene glycol di (meth) acrylate, polyethylene glycol di (meth) acrylate, 1,6-hexanediol di (meth) acrylate, 1,3-butylene glycol di (meth) acrylate, tripropylene glycol di ( meth) acrylate, ethoxylated bisphenol A di (meth) acrylate, cyclohexanedimethanol di (meth) acrylate and tricyclo [5.2.1.0 2,6] decanedimethanol diacrylate A.
3官能性または多官能性の非フッ素化(メタ)アクリレートの好ましい例としては、トリス[2−(アクリロイルオキシ)エチル]イソシアヌレート、トリメチロールプロパントリアクリレート、エチレンオキシド付加されたトリメチロールプロパントリアクリレート、ペンタエリスリトールトリアクリレート、トリス(アクリロオキシエチル)イソシアヌレート、ジペンタエリスリトールヘキサアクリレートおよびカプロラクトン変性ジペンタエリスリトールヘキサアクリレートがある。 Preferred examples of trifunctional or polyfunctional non-fluorinated (meth) acrylates include tris [2- (acryloyloxy) ethyl] isocyanurate, trimethylolpropane triacrylate, ethylene oxide-added trimethylolpropane triacrylate, There are pentaerythritol triacrylate, tris (acrylooxyethyl) isocyanurate, dipentaerythritol hexaacrylate and caprolactone modified dipentaerythritol hexaacrylate.
少なくとも一つのエポキシ基を有する光反応性モノマー(B2)の代表的な例としては、3,4−エポキシシクロヘキシルメチル−3,4−エポキシシクロヘキサンカルボキシレート、ビス−(3,4−エポキシシクロヘキシル)アジペート、3−エチル−3−ヒドロキシメチル−オキセタン、1,2−エポキシヘキサデカン、アルキルグリシジルエーテル、2−エチルヘキシルジグリコールグリシジルエーテル、エチレングリコールジグリシジルエーテル、ジエチレングリコールジグリシジルエーテル、PEG#200ジグリシジルエーテル、PEG#400ジグリシジルエーテル、プロピレングリコールジグリシジルエーテル、トリプロピレングリコールジグリシジルエーテル、PPG#400ジグリシジルエーテル、ネオペンチルグリコールジグリシジルエーテル、1,6−ヘキサンジオールジグリシジルエーテル、水素化されたビスフェノールAジグリシジルエーテル、プロピレンオキシド変形ビスフェノールAのジグリシジルエーテル、ジブロモネオペンチルグリコールジグリシジルエーテルおよびトリメチロールプロパントリグリシジルエーテルがある。 Representative examples of the photoreactive monomer (B 2 ) having at least one epoxy group include 3,4-epoxycyclohexylmethyl-3,4-epoxycyclohexanecarboxylate, bis- (3,4-epoxycyclohexyl). Adipate, 3-ethyl-3-hydroxymethyl-oxetane, 1,2-epoxyhexadecane, alkyl glycidyl ether, 2-ethylhexyl diglycol glycidyl ether, ethylene glycol diglycidyl ether, diethylene glycol diglycidyl ether, PEG # 200 diglycidyl ether, PEG # 400 diglycidyl ether, propylene glycol diglycidyl ether, tripropylene glycol diglycidyl ether, PPG # 400 diglycidyl ether, neopentyl glycol Diglycidyl ether, 1,6-hexanediol diglycidyl ether, hydrogenated bisphenol A diglycidyl ether, propylene oxide modified bisphenol A diglycidyl ether, dibromoneopentyl glycol diglycidyl ether and trimethylolpropane triglycidyl ether is there.
前記光反応性モノマーは本発明の光硬化性樹脂組成物の総量を基準として20〜80重量%の含量で使用できる。 The photoreactive monomer can be used in an amount of 20 to 80% by weight based on the total amount of the photocurable resin composition of the present invention.
(C)光重合開始剤
本発明に使用され得る光重合開始剤は、好ましくはIrgacure#184、Irgacure#907、Irgacure#500、Irgacure#651、Darocure#1173、Darocure#116、CGI#1800、CGI#1700、UVI−6990、UVI−6974、Sarcat CD1010、Sarcat CD1011、Sarcat CD1012、Sarcat K185またはこれらの混合物であってもよい。
(C) Photopolymerization initiator The photopolymerization initiator that can be used in the present invention is preferably Irgacure # 184, Irgacure # 907, Irgacure # 500, Irgacure # 651, Darocure # 1173, Darocure # 116, CGI # 1800, CGI # 1700, UVI-6990, UVI-6974, Sarcat CD1010, Sarcat CD1011, Sarcat CD1012, Sarcat K185, or mixtures thereof.
前記光重合開始剤は、本発明の光硬化性樹脂組成物の総量を基準として1〜10重量%の含量で使用できる。 The photopolymerization initiator can be used in an amount of 1 to 10% by weight based on the total amount of the photocurable resin composition of the present invention.
(D)熱安定化剤
さらに、貯蔵安定性を改善する目的で、様々な酸化防止剤および熱安定化剤を使用できる。
(D) Heat stabilizer Furthermore, various antioxidants and heat stabilizers can be used for the purpose of improving storage stability.
熱安定化剤は、本発明の光硬化性樹脂組成物の総量を基準に0.01〜5重量%の含量で使用することが好ましい。 The heat stabilizer is preferably used at a content of 0.01 to 5% by weight based on the total amount of the photocurable resin composition of the present invention.
(E)酸化防止剤
本発明に使用され得る酸化防止剤の例としては、Irganox1010、Irganox1035、Irganox1076(チバガイギ社製)およびこれらの混合物を挙げることができ、本発明の光硬化性樹脂組成物の総量を基準に0.01〜5重量%の含量で使用されることが好ましい。
(E) Antioxidant Examples of the antioxidant that can be used in the present invention include Irganox 1010, Irganox 1035, Irganox 1076 (manufactured by Ciba-Gaigi) and mixtures thereof. It is preferably used in a content of 0.01 to 5% by weight based on the total amount.
本発明の光導波路用光硬化性樹脂組成物は通常の方法によって製造できる。好ましい製造例は次の通りである:15〜50℃および60%以下の湿度条件で前記(A)〜(E)成分の混合物を重合反応器に入れ、500〜1000rpmの速度で攪拌して光硬化性樹脂組成物を製造する。反応温度が15℃未満の場合はオリゴマー(A)の粘度が非常に高いため問題が発生し、50℃を超える場合は反応生成物が架橋される。 The photocurable resin composition for an optical waveguide of the present invention can be produced by a usual method. A preferred production example is as follows: A mixture of the above components (A) to (E) is placed in a polymerization reactor under conditions of 15 to 50 ° C. and a humidity of 60% or less, and stirred at a speed of 500 to 1000 rpm. A curable resin composition is produced. When the reaction temperature is less than 15 ° C., a problem occurs because the viscosity of the oligomer (A) is very high, and when it exceeds 50 ° C., the reaction product is crosslinked.
光硬化性樹脂組成物の製造は組成物が1.38〜1.54の範囲の屈折率および50〜2000cpsの範囲の粘度を有するように調節してもよい。さらに、本発明の樹脂組成物は貯蔵安定性に優れ、約300℃程度に高い熱分解温度および1×10-4以下の複屈折率を有する。 The production of the photocurable resin composition may be adjusted so that the composition has a refractive index in the range of 1.38 to 1.54 and a viscosity in the range of 50 to 2000 cps. Furthermore, the resin composition of the present invention is excellent in storage stability, has a thermal decomposition temperature as high as about 300 ° C., and a birefringence of 1 × 10 −4 or less.
また、本発明のフッ素化された光硬化性樹脂組成物は光通信波長領域、すなわち、0.85μm、1.3μm、1.55μmの波長においてそれぞれ90%以上の優れた光透過度を有し、特に0.85μmの波長において0.3dB/cm程度の光損失を有する。さらに、本発明の光硬化性樹脂組成物は、従来の樹脂組成物の硬化に使用された熱硬化方式の代わりに室温におけるUV照射によって簡便に硬化させてもよい。 In addition, the fluorinated photocurable resin composition of the present invention has excellent light transmittance of 90% or more in the optical communication wavelength region, that is, in the wavelengths of 0.85 μm, 1.3 μm, and 1.55 μm. In particular, it has an optical loss of about 0.3 dB / cm at a wavelength of 0.85 μm. Furthermore, the photocurable resin composition of the present invention may be simply cured by UV irradiation at room temperature instead of the thermosetting method used for curing the conventional resin composition.
また、本発明は、本発明の光硬化性樹脂組成物から光導波路を製造する方法を提供し、この方法は、本発明の光硬化性樹脂組成物を下部クラッド層としてシリコンウエハ上にコーティングした後、コーティングされた層をUV照射によって光硬化させる段階;前記光硬化性樹脂組成物をコア層としてエッチングされたコアパターンを有するシロキサンモールド上にコーティングした後、コーティングされたコア層をシリコンウエハ上にコーティングされた下部クラッド層に付着し、UV照射によってコア層を光硬化させた後、シロキサンモールドを除去する段階;および前記光硬化性樹脂組成物を上部クラッド層としてコア層上にコーティングした後、上部クラッド層をUV照射によって光硬化させる段階を含む。 The present invention also provides a method for producing an optical waveguide from the photocurable resin composition of the present invention, which is coated on a silicon wafer with the photocurable resin composition of the present invention as a lower cladding layer. Thereafter, the coated layer is photocured by UV irradiation; after the photocurable resin composition is coated on a siloxane mold having a core pattern etched using the core layer, the coated core layer is coated on a silicon wafer. After the core layer is attached to the lower clad layer coated on the substrate and photocured by UV irradiation, the siloxane mold is removed; and after the photocurable resin composition is coated on the core layer as the upper clad layer , Photocuring the upper cladding layer by UV irradiation.
本発明に係る光導波路の製造の好ましい態様は次の通りである。 A preferable mode of manufacturing the optical waveguide according to the present invention is as follows.
図1において、フォトレジストによって目的とする形態のコアパターンを基板上に形成し、前記基板上にポリジメチルシロキサン層をコーティングした後、室温で放置して気泡を除去する。その後、基板上のポリジメチルシロキサンを30〜100℃で2〜10時間硬化させた後、基板を除去してポリジメチルシロキサンモールドを得る。得られたシロキサンモールドは本発明の光硬化性樹脂組成物でスピンコーティングし、この際、樹脂組成物はコアパターン部分のみを充填する。光硬化性樹脂組成物を下部クラッド層としてシリコンウエハ上にコーティングした後、コーティングされた層をUV照射によって光硬化させ、シロキサンモールド上にコーティングされたコア樹脂層の表面を下部クラッド層の物質に付着する。得られた製造物をUV照射によって光硬化させた後、シロキサンモールドを除去する。上部クラッド層物質として、本発明の光硬化性樹脂組成物をコア層にコーティングし、UV照射によって硬化させて光導波路を得る。このようなマイクロトランスファーモールド技法を用いることによって、光導波路は従来技術に比べて短時間で簡単な工程で製造できる。さらに、本発明の方法は、フォトレジスト材料の種類によって1mm×1mmサイズの大きい光導波路、およびコアパターンに従ってシングルモードまたはマルチモード光導波路を容易に製造できる。 In FIG. 1, a core pattern of a desired form is formed on a substrate with a photoresist, and a polydimethylsiloxane layer is coated on the substrate, and then left at room temperature to remove bubbles. Thereafter, the polydimethylsiloxane on the substrate is cured at 30 to 100 ° C. for 2 to 10 hours, and then the substrate is removed to obtain a polydimethylsiloxane mold. The obtained siloxane mold is spin-coated with the photocurable resin composition of the present invention, and at this time, the resin composition fills only the core pattern portion. After the photocurable resin composition is coated on the silicon wafer as a lower clad layer, the coated layer is photocured by UV irradiation, and the surface of the core resin layer coated on the siloxane mold is used as the material of the lower clad layer. Adhere to. After the obtained product is photocured by UV irradiation, the siloxane mold is removed. As the upper clad layer material, the core layer is coated with the photocurable resin composition of the present invention and cured by UV irradiation to obtain an optical waveguide. By using such a micro transfer mold technique, the optical waveguide can be manufactured in a short time and with a simple process as compared with the prior art. Furthermore, the method of the present invention can easily manufacture a single mode or multimode optical waveguide according to a core pattern and a large optical waveguide having a size of 1 mm × 1 mm depending on the type of photoresist material.
以下、本発明を下記実施例によってさらに詳細に説明する。ただし、これらは本発明を例示するためのものであり、本発明の範囲を制限しない。 Hereinafter, the present invention will be described in more detail with reference to the following examples. However, these are for illustrating the present invention and do not limit the scope of the present invention.
オリゴマーの製造
[製造例1]
フッ素化されたポリエーテル(Fluorolink E10、製造元:Ausimount Co., Ltd.イタリア)375.27gおよびイソホロンジイソシアネート(IPDI)89.38gの混合物を40〜60℃に加熱した後、n−ブチルチンラウレート(DBTL)0.10gを加えながら200〜300rpmで攪拌した。反応を約75℃で−OHピークがIRスペクトル上で観察されなくなるまで行った。これに、ヒドロキノンモノメチルエーテル(HQMME)0.13gおよび2−ヒドロキシエチルメタクリレート(2−HEMA)34.85gを加え、混合物を約80℃で−NCOピークがIRスペクトル上で完全に消滅するまで反応させてフッ素化された光硬化性ウレタンオリゴマーを得た。
Production of oligomer [Production Example 1]
After heating a mixture of 375.27 g of fluorinated polyether (Fluorolink E10, manufacturer: Ausimount Co., Ltd. Italy) and 89.38 g of isophorone diisocyanate (IPDI) to 40-60 ° C., n-butyltin laurate (DBTL) It stirred at 200-300 rpm, adding 0.10g. The reaction was run at about 75 ° C. until no —OH peak was observed on the IR spectrum. To this was added 0.13 g of hydroquinone monomethyl ether (HQMME) and 34.85 g of 2-hydroxyethyl methacrylate (2-HEMA) and the mixture was allowed to react at about 80 ° C. until the —NCO peak completely disappeared on the IR spectrum. Thus, a fluorinated photocurable urethane oligomer was obtained.
[製造例2〜13]
下記表1に示す成分を用いて製造例1と同様な工程を繰り返して様々なフッ素化されたウレタンオリゴマーを得た。
Using the components shown in Table 1 below, the same steps as in Production Example 1 were repeated to obtain various fluorinated urethane oligomers.
光導波路用樹脂組成物の製造
[実施例1〜10および比較例1]
下記表2に示す成分(A)〜(D)およびZ−6030(Dow Corning Co., Ltd.)を添加剤として反応器に入れ、25℃の温度および30〜60%の相対湿度下で300〜1,000rpmで攪拌して様々なフッ素化された光硬化性樹脂組成物を得た。
Ingredients (A)-(D) and Z-6030 (Dow Corning Co., Ltd.) shown in Table 2 below were added to the reactor as additives and were added at a temperature of 25 ° C. and a relative humidity of 30-60%. Various fluorinated photocurable resin compositions were obtained by stirring at ˜1,000 rpm.
物性評価
前記実施例1−10および比較例1で製造された樹脂組成物の各々の物性を下記方法によって評価し、その結果を表3に示す。
Evaluation of Physical Properties The physical properties of the resin compositions produced in Examples 1-10 and Comparative Example 1 were evaluated by the following methods. The results are shown in Table 3.
(1)固有粘度(cps):25℃でブルックフィールド粘度計(No.41スピンドル)で測定
(2)硬化されていない樹脂組成物の屈折率
各々の樹脂組成物の屈折率はアッベ屈折計(Abbe's Refractometer)を用いて23℃でナトリウムDライン(波長589.3μm)で測定した。
(1) Intrinsic viscosity (cps): measured with a Brookfield viscometer (No. 41 spindle) at 25 ° C. (2) Refractive index of uncured resin composition The refractive index of each resin composition is Abbe refractometer ( Using an Abbe's Refractometer, the sodium D line (wavelength: 589.3 μm) was measured at 23 ° C.
(3)屈折率(硬化されたフィルム)
それぞれの組成物を1500〜3000rpmの速度で20〜30秒間シリコンウエハ上にコーティングし、コーティングされた樹脂をフュージョンランプを用いて100mJ/cm2のUVで光硬化させ、さらに60〜100℃で10分以上硬化させてシリコンウエハ上にコーティングされたフィルムを得た。厚さが2〜15μmの硬化されたフィルムの屈折率をプリズム−カプラー(Prism-Coupler, Sairon Co. Ltd.)を用いて850nmの波長で測定した。電場モードにおける屈折率(nTE)と磁場モードにおける屈折率(nTM)との差(Δ(nTE−nTM))をコーティングされたフィルムの複屈折率とした。
(3) Refractive index (cured film)
Each composition was coated on a silicon wafer for 20-30 seconds at a speed of 1500-3000 rpm, the coated resin was photocured with 100 mJ / cm 2 UV using a fusion lamp, and further 10 ° C. at 60-100 ° C. A film coated on a silicon wafer was obtained by curing for at least minutes. The refractive index of a cured film having a thickness of 2-15 μm was measured at a wavelength of 850 nm using a prism-coupler (Prism-Coupler, Sairon Co. Ltd.). The difference (Δ (nTE−nTM)) between the refractive index (nTE) in the electric field mode and the refractive index (nTM) in the magnetic field mode was defined as the birefringence of the coated film.
(4)光透過度(%T)
各樹脂組成物を150μmの厚さにガラス基板上にコーティングし、その上に100mJ/cm2のUVを照射して樹脂を硬化させた後、60〜100℃で10分以上後硬化させて硬化された樹脂フィルムを得た。その後、フィルムサンプル(サイズ:3cm×3cm)を基板から取り外し、これの光透過度を600〜1600nmの波長でUV−VIS−NIS分光光度計(Varian社製、オーストラリア)で測定した。
(4) Light transmittance (% T)
Each resin composition is coated on a glass substrate to a thickness of 150 μm, and 100 mJ / cm 2 UV is irradiated thereon to cure the resin, followed by post-curing at 60 to 100 ° C. for 10 minutes or more and curing. The obtained resin film was obtained. Thereafter, a film sample (size: 3 cm × 3 cm) was removed from the substrate, and the light transmittance thereof was measured with a UV-VIS-NIS spectrophotometer (Varian, Australia) at a wavelength of 600 to 1600 nm.
(5)硬度(AまたはD):光透過度測定と同じ条件で硬化させた試験片(サイズ:50mm×20mm×5mm)の硬度をショア硬度計(Shore Durometer Hardness)で測定した。 (5) Hardness (A or D): The hardness of a test piece (size: 50 mm × 20 mm × 5 mm) cured under the same conditions as the light transmittance measurement was measured with a Shore Durometer Hardness.
(6)硬化収縮率(%):ASTM D−792に従って測定した。 (6) Curing shrinkage (%): Measured according to ASTM D-792.
(7)ガラス転移温度(Tg):光透過度の測定時に用いられた試験片に対するガラス転移温度は動力学熱分析機(Dynamic Mechanical Thermal Analyzer, DMTA)を用いて25〜250℃で10℃/minの昇温速度で測定した。 (7) Glass transition temperature (Tg): The glass transition temperature with respect to the test piece used at the time of measuring the light transmittance is 10 ° C./25 to 250 ° C. using a dynamic mechanical thermal analyzer (DMTA). The measurement was performed at a heating rate of min.
(8)熱分解温度(Td):窒素雰囲気の下で熱重量測定分析器(Thermogravimeteric Analyzer, TGA)を用いて25〜700℃で10℃/minの昇温速度で測定した。 (8) Thermal decomposition temperature (T d ): Measured at a temperature increase rate of 10 ° C./min at 25 to 700 ° C. using a thermogravimetric analyzer (TGA) under a nitrogen atmosphere.
(9)貯蔵安定性:組成物を室温で6ヶ月間放置した後、外観を観察した。 (9) Storage stability: After the composition was left at room temperature for 6 months, the appearance was observed.
(10)光損失(dB/cm):サンプル組成物の硬化されたフィルムの場合よりも低い屈折率を有する物質をシリコンウエハ上にコーティングし、その上にサンプル組成物をコーティングした後、屈折率測定で用いた試験片の製造におけると同様に硬化させた(フィルム)。得られた硬化フィルムの光損失をプリズム−カプラー(Sairon社製)で測定した。
光導波路の製造
[実施例11]
実施例1で得られたフッ素化された樹脂組成物をクラッド層としてシリコンウエハ上に3000rpmで30秒間スピンコーティングし、300Wの水銀ランプであるフュージョンランプを用いて100mJ/cm2のUVで光硬化させた後、次いで60〜100℃で10分以上熱硬化させた。その上にフォトレジストを用いて目的とするパターンを形成し、パターン形成された基板上にポリジメチルシロキサン層をコーティングした後、室温で放置して気泡を除去した。シロキサン樹脂を40℃で2時間硬化させた後、基板から取り外して硬化されたシロキサン樹脂モールド(コアサイズ:45μm)を得た。硬化されたシロキサン樹脂モールドを実施例2で得られた光硬化性樹脂組成物でスピンコーティングし、モールドのパターン部分を樹脂組成物で充填した。充填されたパターン部分の面がクラッド層と接触するように、コーティングされたシロキサン樹脂モールドをクラッド層がコーティングされたシリコンウエハ上に載せた。これらをフュージョンランプを用いて100mJ/cm2のUVで室温で5〜15分間硬化させ、次いで60〜100℃で10分以上熱硬化させた後、シロキサン樹脂モールドを取り外した。コア層の断面に対する電子顕微鏡写真と走査電子顕微鏡写真をそれぞれ図2Aおよび図2Bに示す。上部クラッド層として、実施例1で得られた樹脂組成物をコア層の表面上に1000rpmで20秒間スピンコーティングした後、100mJ/cm2のUVで室温で光硬化させ、次いで60〜100℃で10分以上硬化させて光硬化性光導波路を得た。
Production of Optical Waveguide [Example 11]
The fluorinated resin composition obtained in Example 1 was spin-coated on a silicon wafer as a clad layer at 3000 rpm for 30 seconds, and photocured with 100 mJ / cm 2 UV using a fusion lamp which is a 300 W mercury lamp. Then, it was heat-cured at 60 to 100 ° C. for 10 minutes or longer. A desired pattern was formed thereon using a photoresist, and a polydimethylsiloxane layer was coated on the patterned substrate, and then left at room temperature to remove bubbles. The siloxane resin was cured at 40 ° C. for 2 hours, and then removed from the substrate to obtain a cured siloxane resin mold (core size: 45 μm). The cured siloxane resin mold was spin-coated with the photocurable resin composition obtained in Example 2, and the pattern portion of the mold was filled with the resin composition. The coated siloxane resin mold was placed on the silicon wafer coated with the clad layer so that the surface of the filled pattern portion was in contact with the clad layer. These were cured for 5 to 15 minutes at room temperature with UV of 100 mJ / cm 2 using a fusion lamp, then thermally cured at 60 to 100 ° C. for 10 minutes or more, and then the siloxane resin mold was removed. An electron micrograph and a scanning electron micrograph of the cross section of the core layer are shown in FIGS. 2A and 2B, respectively. As the upper clad layer, the resin composition obtained in Example 1 was spin-coated on the surface of the core layer at 1000 rpm for 20 seconds, then photocured at 100 mJ / cm 2 UV at room temperature, and then at 60-100 ° C. A photocurable optical waveguide was obtained by curing for 10 minutes or more.
[実施例12]
実施例1および2の組成物の代わりに、実施例3および4で得られた樹脂組成物を用いたことを除いては、実施例11と同様な方法で光導波路を得た。
[Example 12]
An optical waveguide was obtained in the same manner as in Example 11 except that the resin compositions obtained in Examples 3 and 4 were used in place of the compositions in Examples 1 and 2.
光導波路の物性測定
実施例11および12で得られた光硬化性光導波路の物性を測定して下記表4に示し、この際、光伝播損失(propagation loss)は850nmの波長でカット−バック方法(cut-back method)で測定した。
前記結果から、本発明に従って少なくとも一つの(メタ)アクリロイル基を有するフッ素化された光硬化性ウレタンオリゴマーを含む光導波路用のフッ素化された樹脂組成物は、光透過度、熱安定性および貯蔵寿命が高いだけでなく、複屈折率が低く、本発明の樹脂組成物からマイクロモールディング技法を用いて、従来のエッチング工程なしにUV照射のみで光導波路を簡便に製造できる。 From the above results, a fluorinated resin composition for an optical waveguide comprising a fluorinated photo-curable urethane oligomer having at least one (meth) acryloyl group according to the present invention has light transmittance, thermal stability and storage. Not only has a long lifetime, but also has a low birefringence, and an optical waveguide can be easily produced from the resin composition of the present invention by using UV molding only by UV irradiation without using a conventional etching process.
Claims (13)
R1は、−CH2O−または−CH2(OCH2CH2)mO−;
R2は、炭素数6〜100の芳香族または脂肪族炭化水素基;
R3は、炭素数2〜10の芳香族または脂肪族炭化水素基;
R4は、メタ(アクリレート)基またはエポキシ基である)。 A fluorinated photocurable urethane oligomer of the following formula (I):
R 1 represents —CH 2 O— or —CH 2 (OCH 2 CH 2 ) m O—;
R 2 represents an aromatic or aliphatic hydrocarbon group having 6 to 100 carbon atoms;
R 3 represents an aromatic or aliphatic hydrocarbon group having 2 to 10 carbon atoms;
R 4 is a meth (acrylate) group or an epoxy group).
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KR20030071343A (en) | 2003-09-03 |
AU2002358336A1 (en) | 2003-09-09 |
KR100487025B1 (en) | 2005-05-11 |
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